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1 7b19e0f1 2017-11-05 stsp /*
2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 7b19e0f1 2017-11-05 stsp *
4 7b19e0f1 2017-11-05 stsp * Permission to use, copy, modify, and distribute this software for any
5 7b19e0f1 2017-11-05 stsp * purpose with or without fee is hereby granted, provided that the above
6 7b19e0f1 2017-11-05 stsp * copyright notice and this permission notice appear in all copies.
7 7b19e0f1 2017-11-05 stsp *
8 7b19e0f1 2017-11-05 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 7b19e0f1 2017-11-05 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 7b19e0f1 2017-11-05 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 7b19e0f1 2017-11-05 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 7b19e0f1 2017-11-05 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 7b19e0f1 2017-11-05 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 7b19e0f1 2017-11-05 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 7b19e0f1 2017-11-05 stsp */
16 7b19e0f1 2017-11-05 stsp
17 ad242220 2018-09-08 stsp #include <sys/types.h>
18 79b11c62 2018-03-09 stsp #include <sys/queue.h>
19 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
20 ad242220 2018-09-08 stsp #include <sys/uio.h>
21 aba9c984 2019-09-08 stsp #include <sys/socket.h>
22 deeca238 2018-03-12 stsp #include <sys/stat.h>
23 1510f469 2018-09-09 stsp #include <sys/mman.h>
24 6c414261 2021-03-30 stsp #include <sys/resource.h>
25 79b11c62 2018-03-09 stsp
26 e09a504c 2019-06-28 stsp #include <ctype.h>
27 78fb0967 2020-09-09 naddy #include <endian.h>
28 1510f469 2018-09-09 stsp #include <fcntl.h>
29 3ce1b845 2019-07-15 stsp #include <fnmatch.h>
30 4027f31a 2017-11-04 stsp #include <limits.h>
31 1510f469 2018-09-09 stsp #include <dirent.h>
32 4027f31a 2017-11-04 stsp #include <stdlib.h>
33 4027f31a 2017-11-04 stsp #include <stdio.h>
34 4027f31a 2017-11-04 stsp #include <sha1.h>
35 4027f31a 2017-11-04 stsp #include <string.h>
36 303e14b5 2019-09-23 stsp #include <time.h>
37 81a12da5 2020-09-09 naddy #include <unistd.h>
38 79b11c62 2018-03-09 stsp #include <zlib.h>
39 85f51bba 2018-07-16 stsp #include <errno.h>
40 85f51bba 2018-07-16 stsp #include <libgen.h>
41 ad242220 2018-09-08 stsp #include <stdint.h>
42 ad242220 2018-09-08 stsp #include <imsg.h>
43 c442a90d 2019-03-10 stsp #include <uuid.h>
44 4027f31a 2017-11-04 stsp
45 b343c297 2021-10-11 stsp #include "bloom.h"
46 b343c297 2021-10-11 stsp
47 4027f31a 2017-11-04 stsp #include "got_error.h"
48 5261c201 2018-04-01 stsp #include "got_reference.h"
49 4027f31a 2017-11-04 stsp #include "got_repository.h"
50 1dd54920 2019-05-11 stsp #include "got_path.h"
51 e6209546 2019-08-22 stsp #include "got_cancel.h"
52 7bb0daa1 2018-06-21 stsp #include "got_object.h"
53 57160834 2022-05-31 stsp #include "got_opentemp.h"
54 4027f31a 2017-11-04 stsp
55 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
56 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
57 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
58 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
59 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
60 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
61 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
62 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
63 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
64 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
65 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
66 c3f94f68 2017-11-05 stsp
67 79b11c62 2018-03-09 stsp #ifndef nitems
68 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
69 79b11c62 2018-03-09 stsp #endif
70 4df642d9 2017-11-05 stsp
71 0ae84acc 2022-06-15 tracey #define GOT_PACK_NUM_TEMPFILES GOT_PACK_CACHE_SIZE * 2
72 0ae84acc 2022-06-15 tracey
73 f8b19efd 2021-10-13 stsp RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
74 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp);
75 f8b19efd 2021-10-13 stsp
76 7839bc15 2019-01-06 stsp const char *
77 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
78 86c3caaf 2018-03-09 stsp {
79 7839bc15 2019-01-06 stsp return repo->path;
80 86c3caaf 2018-03-09 stsp }
81 86c3caaf 2018-03-09 stsp
82 6e9da951 2019-01-06 stsp const char *
83 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
84 4027f31a 2017-11-04 stsp {
85 6e9da951 2019-01-06 stsp return repo->path_git_dir;
86 6d5a9006 2020-12-16 yzhong }
87 6d5a9006 2020-12-16 yzhong
88 6d5a9006 2020-12-16 yzhong int
89 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
90 6d5a9006 2020-12-16 yzhong {
91 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
92 04ca23f4 2018-07-16 stsp }
93 04ca23f4 2018-07-16 stsp
94 aba9c984 2019-09-08 stsp const char *
95 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
96 aba9c984 2019-09-08 stsp {
97 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
98 aba9c984 2019-09-08 stsp }
99 aba9c984 2019-09-08 stsp
100 aba9c984 2019-09-08 stsp const char *
101 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
102 aba9c984 2019-09-08 stsp {
103 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
104 c9956ddf 2019-09-08 stsp }
105 c9956ddf 2019-09-08 stsp
106 c9956ddf 2019-09-08 stsp const char *
107 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
108 c9956ddf 2019-09-08 stsp {
109 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
110 c9956ddf 2019-09-08 stsp }
111 c9956ddf 2019-09-08 stsp
112 c9956ddf 2019-09-08 stsp const char *
113 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
114 c9956ddf 2019-09-08 stsp {
115 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
116 9a1cc63f 2020-02-03 stsp }
117 9a1cc63f 2020-02-03 stsp
118 9a1cc63f 2020-02-03 stsp const char *
119 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
120 9a1cc63f 2020-02-03 stsp {
121 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
122 9188bd78 2021-07-03 stsp }
123 9188bd78 2021-07-03 stsp
124 9188bd78 2021-07-03 stsp void
125 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
126 9188bd78 2021-07-03 stsp struct got_repository *repo)
127 9188bd78 2021-07-03 stsp {
128 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
129 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
130 aba9c984 2019-09-08 stsp }
131 aba9c984 2019-09-08 stsp
132 04ca23f4 2018-07-16 stsp int
133 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
134 04ca23f4 2018-07-16 stsp {
135 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
136 4027f31a 2017-11-04 stsp }
137 4027f31a 2017-11-04 stsp
138 4027f31a 2017-11-04 stsp static char *
139 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
140 4027f31a 2017-11-04 stsp {
141 4027f31a 2017-11-04 stsp char *path_child;
142 3168e5da 2020-09-10 stsp
143 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
144 4027f31a 2017-11-04 stsp basename) == -1)
145 4027f31a 2017-11-04 stsp return NULL;
146 4027f31a 2017-11-04 stsp
147 4027f31a 2017-11-04 stsp return path_child;
148 4027f31a 2017-11-04 stsp }
149 4027f31a 2017-11-04 stsp
150 11995603 2017-11-05 stsp char *
151 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
152 4027f31a 2017-11-04 stsp {
153 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
154 4027f31a 2017-11-04 stsp }
155 4027f31a 2017-11-04 stsp
156 11995603 2017-11-05 stsp char *
157 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
158 a1fd68d8 2018-01-12 stsp {
159 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
160 a1fd68d8 2018-01-12 stsp }
161 a1fd68d8 2018-01-12 stsp
162 a1fd68d8 2018-01-12 stsp char *
163 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
164 4027f31a 2017-11-04 stsp {
165 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
166 4027f31a 2017-11-04 stsp }
167 4027f31a 2017-11-04 stsp
168 fb79db15 2019-02-01 stsp char *
169 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
170 fb79db15 2019-02-01 stsp {
171 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
172 fb79db15 2019-02-01 stsp }
173 fb79db15 2019-02-01 stsp
174 4027f31a 2017-11-04 stsp static char *
175 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
176 4027f31a 2017-11-04 stsp {
177 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
178 1d126e2d 2019-08-24 stsp }
179 1d126e2d 2019-08-24 stsp
180 b46f3e71 2020-03-18 stsp char *
181 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
182 1d126e2d 2019-08-24 stsp {
183 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
184 cd95becd 2019-11-29 stsp }
185 cd95becd 2019-11-29 stsp
186 257add31 2020-09-09 stsp char *
187 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
188 257add31 2020-09-09 stsp {
189 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
190 257add31 2020-09-09 stsp }
191 257add31 2020-09-09 stsp
192 50b0790e 2020-09-11 stsp const struct got_gotconfig *
193 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
194 cd95becd 2019-11-29 stsp {
195 50b0790e 2020-09-11 stsp return repo->gotconfig;
196 4027f31a 2017-11-04 stsp }
197 4027f31a 2017-11-04 stsp
198 257add31 2020-09-09 stsp void
199 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
200 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
201 257add31 2020-09-09 stsp {
202 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
203 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
204 257add31 2020-09-09 stsp }
205 257add31 2020-09-09 stsp
206 4027f31a 2017-11-04 stsp static int
207 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
208 4027f31a 2017-11-04 stsp {
209 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
210 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
211 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
212 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
213 deeca238 2018-03-12 stsp int ret = 0;
214 deeca238 2018-03-12 stsp struct stat sb;
215 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
216 4027f31a 2017-11-04 stsp
217 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
218 deeca238 2018-03-12 stsp goto done;
219 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
220 deeca238 2018-03-12 stsp goto done;
221 4027f31a 2017-11-04 stsp
222 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
223 deeca238 2018-03-12 stsp goto done;
224 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
225 deeca238 2018-03-12 stsp goto done;
226 deeca238 2018-03-12 stsp
227 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
228 deeca238 2018-03-12 stsp goto done;
229 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
230 deeca238 2018-03-12 stsp goto done;
231 deeca238 2018-03-12 stsp
232 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
233 deeca238 2018-03-12 stsp goto done;
234 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
235 deeca238 2018-03-12 stsp goto done;
236 4847cca1 2018-03-12 stsp
237 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
238 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
239 4847cca1 2018-03-12 stsp goto done;
240 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
241 4847cca1 2018-03-12 stsp
242 deeca238 2018-03-12 stsp ret = 1;
243 deeca238 2018-03-12 stsp done:
244 4027f31a 2017-11-04 stsp free(path_objects);
245 4027f31a 2017-11-04 stsp free(path_refs);
246 4027f31a 2017-11-04 stsp free(path_head);
247 4027f31a 2017-11-04 stsp return ret;
248 4027f31a 2017-11-04 stsp
249 7bb0daa1 2018-06-21 stsp }
250 7bb0daa1 2018-06-21 stsp
251 f6be5c30 2018-06-22 stsp const struct got_error *
252 0ae84acc 2022-06-15 tracey got_repo_pack_fds_open(int **pack_fds)
253 0ae84acc 2022-06-15 tracey {
254 0ae84acc 2022-06-15 tracey const struct got_error *err = NULL;
255 0ae84acc 2022-06-15 tracey int i, pack_fds_tmp[GOT_PACK_NUM_TEMPFILES];
256 0ae84acc 2022-06-15 tracey
257 0ae84acc 2022-06-15 tracey *pack_fds = calloc(GOT_PACK_NUM_TEMPFILES, sizeof(**pack_fds));
258 0ae84acc 2022-06-15 tracey if (*pack_fds == NULL)
259 0ae84acc 2022-06-15 tracey return got_error_from_errno("calloc");
260 0ae84acc 2022-06-15 tracey
261 0ae84acc 2022-06-15 tracey for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
262 0ae84acc 2022-06-15 tracey pack_fds_tmp[i] = got_opentempfd();
263 0ae84acc 2022-06-15 tracey if (pack_fds_tmp[i] == -1) {
264 bb711527 2022-06-15 stsp err = got_error_from_errno("got_opentempfd");
265 bb711527 2022-06-15 stsp got_repo_pack_fds_close(pack_fds_tmp);
266 bb711527 2022-06-15 stsp return err;
267 0ae84acc 2022-06-15 tracey }
268 0ae84acc 2022-06-15 tracey }
269 0ae84acc 2022-06-15 tracey memcpy(*pack_fds, pack_fds_tmp, sizeof(pack_fds_tmp));
270 0ae84acc 2022-06-15 tracey return err;
271 0ae84acc 2022-06-15 tracey }
272 0ae84acc 2022-06-15 tracey
273 0ae84acc 2022-06-15 tracey const struct got_error *
274 0ae84acc 2022-06-15 tracey got_repo_pack_fds_close(int *pack_fds)
275 0ae84acc 2022-06-15 tracey {
276 0ae84acc 2022-06-15 tracey const struct got_error *err = NULL;
277 0ae84acc 2022-06-15 tracey int i;
278 0ae84acc 2022-06-15 tracey
279 0ae84acc 2022-06-15 tracey for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
280 0ae84acc 2022-06-15 tracey if (pack_fds[i] == -1)
281 0ae84acc 2022-06-15 tracey continue;
282 0ae84acc 2022-06-15 tracey if (close(pack_fds[i]) == -1) {
283 0ae84acc 2022-06-15 tracey err = got_error_from_errno("close");
284 0ae84acc 2022-06-15 tracey break;
285 0ae84acc 2022-06-15 tracey }
286 0ae84acc 2022-06-15 tracey }
287 0ae84acc 2022-06-15 tracey free(pack_fds);
288 0ae84acc 2022-06-15 tracey return err;
289 0ae84acc 2022-06-15 tracey }
290 0ae84acc 2022-06-15 tracey
291 0ae84acc 2022-06-15 tracey const struct got_error *
292 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
293 f6be5c30 2018-06-22 stsp struct got_object *obj)
294 f6be5c30 2018-06-22 stsp {
295 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
296 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
297 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
298 79c99a64 2019-05-23 stsp if (err) {
299 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
300 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
301 79c99a64 2019-05-23 stsp err = NULL;
302 f6be5c30 2018-06-22 stsp return err;
303 79c99a64 2019-05-23 stsp }
304 f6be5c30 2018-06-22 stsp obj->refcnt++;
305 ccfe88e6 2018-07-12 stsp #endif
306 f6be5c30 2018-06-22 stsp return NULL;
307 f6be5c30 2018-06-22 stsp }
308 f6be5c30 2018-06-22 stsp
309 7bb0daa1 2018-06-21 stsp struct got_object *
310 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
311 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
312 7bb0daa1 2018-06-21 stsp {
313 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
314 7bb0daa1 2018-06-21 stsp }
315 7bb0daa1 2018-06-21 stsp
316 4027f31a 2017-11-04 stsp const struct got_error *
317 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
318 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
319 f6be5c30 2018-06-22 stsp {
320 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
321 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
322 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
323 79c99a64 2019-05-23 stsp if (err) {
324 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
325 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
326 79c99a64 2019-05-23 stsp err = NULL;
327 f6be5c30 2018-06-22 stsp return err;
328 79c99a64 2019-05-23 stsp }
329 f6be5c30 2018-06-22 stsp tree->refcnt++;
330 ccfe88e6 2018-07-12 stsp #endif
331 f6be5c30 2018-06-22 stsp return NULL;
332 f6be5c30 2018-06-22 stsp }
333 f6be5c30 2018-06-22 stsp
334 f6be5c30 2018-06-22 stsp struct got_tree_object *
335 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
336 f6be5c30 2018-06-22 stsp struct got_object_id *id)
337 f6be5c30 2018-06-22 stsp {
338 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
339 6bef87be 2018-09-11 stsp &repo->treecache, id);
340 1943de01 2018-06-22 stsp }
341 1943de01 2018-06-22 stsp
342 1943de01 2018-06-22 stsp const struct got_error *
343 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
344 1943de01 2018-06-22 stsp struct got_commit_object *commit)
345 1943de01 2018-06-22 stsp {
346 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
347 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
348 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
349 79c99a64 2019-05-23 stsp if (err) {
350 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
351 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
352 79c99a64 2019-05-23 stsp err = NULL;
353 1943de01 2018-06-22 stsp return err;
354 79c99a64 2019-05-23 stsp }
355 1943de01 2018-06-22 stsp commit->refcnt++;
356 ccfe88e6 2018-07-12 stsp #endif
357 f6be5c30 2018-06-22 stsp return NULL;
358 f6be5c30 2018-06-22 stsp }
359 f6be5c30 2018-06-22 stsp
360 1943de01 2018-06-22 stsp struct got_commit_object *
361 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
362 1943de01 2018-06-22 stsp struct got_object_id *id)
363 1943de01 2018-06-22 stsp {
364 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
365 6bef87be 2018-09-11 stsp &repo->commitcache, id);
366 f4a881ce 2018-11-17 stsp }
367 f4a881ce 2018-11-17 stsp
368 f4a881ce 2018-11-17 stsp const struct got_error *
369 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
370 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
371 f4a881ce 2018-11-17 stsp {
372 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
373 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
374 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
375 79c99a64 2019-05-23 stsp if (err) {
376 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
377 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
378 79c99a64 2019-05-23 stsp err = NULL;
379 f4a881ce 2018-11-17 stsp return err;
380 79c99a64 2019-05-23 stsp }
381 f4a881ce 2018-11-17 stsp tag->refcnt++;
382 f4a881ce 2018-11-17 stsp #endif
383 f4a881ce 2018-11-17 stsp return NULL;
384 f4a881ce 2018-11-17 stsp }
385 f4a881ce 2018-11-17 stsp
386 f4a881ce 2018-11-17 stsp struct got_tag_object *
387 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
388 f4a881ce 2018-11-17 stsp {
389 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
390 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
391 d3c116bf 2021-10-15 stsp }
392 d3c116bf 2021-10-15 stsp
393 d3c116bf 2021-10-15 stsp const struct got_error *
394 d3c116bf 2021-10-15 stsp got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
395 d3c116bf 2021-10-15 stsp struct got_raw_object *raw)
396 d3c116bf 2021-10-15 stsp {
397 d3c116bf 2021-10-15 stsp #ifndef GOT_NO_OBJ_CACHE
398 d3c116bf 2021-10-15 stsp const struct got_error *err = NULL;
399 d3c116bf 2021-10-15 stsp err = got_object_cache_add(&repo->rawcache, id, raw);
400 d3c116bf 2021-10-15 stsp if (err) {
401 d3c116bf 2021-10-15 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
402 d3c116bf 2021-10-15 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
403 d3c116bf 2021-10-15 stsp err = NULL;
404 d3c116bf 2021-10-15 stsp return err;
405 d3c116bf 2021-10-15 stsp }
406 d3c116bf 2021-10-15 stsp raw->refcnt++;
407 d3c116bf 2021-10-15 stsp #endif
408 d3c116bf 2021-10-15 stsp return NULL;
409 1943de01 2018-06-22 stsp }
410 1943de01 2018-06-22 stsp
411 d3c116bf 2021-10-15 stsp
412 d3c116bf 2021-10-15 stsp struct got_raw_object *
413 d3c116bf 2021-10-15 stsp got_repo_get_cached_raw_object(struct got_repository *repo,
414 d3c116bf 2021-10-15 stsp struct got_object_id *id)
415 d3c116bf 2021-10-15 stsp {
416 d3c116bf 2021-10-15 stsp return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
417 d3c116bf 2021-10-15 stsp }
418 d3c116bf 2021-10-15 stsp
419 d3c116bf 2021-10-15 stsp
420 991ff1aa 2021-06-15 tracey static const struct got_error *
421 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
422 4027f31a 2017-11-04 stsp {
423 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
424 85f51bba 2018-07-16 stsp
425 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
426 6d5a9006 2020-12-16 yzhong
427 85f51bba 2018-07-16 stsp /* bare git repository? */
428 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
429 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
430 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
431 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
432 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
433 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
434 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
435 6d5a9006 2020-12-16 yzhong goto done;
436 6d5a9006 2020-12-16 yzhong }
437 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
438 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
439 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
440 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
441 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
442 85f51bba 2018-07-16 stsp goto done;
443 85f51bba 2018-07-16 stsp }
444 85f51bba 2018-07-16 stsp return NULL;
445 85f51bba 2018-07-16 stsp }
446 85f51bba 2018-07-16 stsp
447 85f51bba 2018-07-16 stsp /* git repository with working tree? */
448 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
449 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
450 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
451 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
452 85f51bba 2018-07-16 stsp goto done;
453 85f51bba 2018-07-16 stsp }
454 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
455 85f51bba 2018-07-16 stsp repo->path = strdup(path);
456 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
457 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
458 85f51bba 2018-07-16 stsp goto done;
459 85f51bba 2018-07-16 stsp }
460 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
461 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
462 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
463 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
464 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
465 6d5a9006 2020-12-16 yzhong goto done;
466 6d5a9006 2020-12-16 yzhong }
467 85f51bba 2018-07-16 stsp return NULL;
468 85f51bba 2018-07-16 stsp }
469 85f51bba 2018-07-16 stsp
470 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
471 ee645855 2019-02-05 stsp done:
472 85f51bba 2018-07-16 stsp if (err) {
473 ee645855 2019-02-05 stsp free(repo->path);
474 ee645855 2019-02-05 stsp repo->path = NULL;
475 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
476 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
477 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
478 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
479 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
480 6d5a9006 2020-12-16 yzhong
481 aba9c984 2019-09-08 stsp }
482 aba9c984 2019-09-08 stsp return err;
483 aba9c984 2019-09-08 stsp }
484 aba9c984 2019-09-08 stsp
485 aba9c984 2019-09-08 stsp static const struct got_error *
486 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
487 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
488 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
489 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
490 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
491 aba9c984 2019-09-08 stsp {
492 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
493 aba9c984 2019-09-08 stsp int fd = -1;
494 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
495 aba9c984 2019-09-08 stsp pid_t pid;
496 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
497 aba9c984 2019-09-08 stsp
498 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
499 20b7abb3 2020-10-22 stsp if (extensions)
500 20b7abb3 2020-10-22 stsp *extensions = NULL;
501 20b7abb3 2020-10-22 stsp if (nextensions)
502 20b7abb3 2020-10-22 stsp *nextensions = 0;
503 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
504 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
505 2fb669fb 2020-03-20 stsp if (remotes)
506 2fb669fb 2020-03-20 stsp *remotes = NULL;
507 2fb669fb 2020-03-20 stsp if (nremotes)
508 2fb669fb 2020-03-20 stsp *nremotes = 0;
509 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
510 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
511 aba9c984 2019-09-08 stsp
512 8bd0cdad 2021-12-31 stsp fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
513 aba9c984 2019-09-08 stsp if (fd == -1) {
514 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
515 aba9c984 2019-09-08 stsp return NULL;
516 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
517 aba9c984 2019-09-08 stsp }
518 aba9c984 2019-09-08 stsp
519 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
520 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
521 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
522 aba9c984 2019-09-08 stsp goto done;
523 aba9c984 2019-09-08 stsp }
524 aba9c984 2019-09-08 stsp
525 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
526 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
527 aba9c984 2019-09-08 stsp goto done;
528 aba9c984 2019-09-08 stsp }
529 aba9c984 2019-09-08 stsp
530 aba9c984 2019-09-08 stsp pid = fork();
531 aba9c984 2019-09-08 stsp if (pid == -1) {
532 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
533 aba9c984 2019-09-08 stsp goto done;
534 aba9c984 2019-09-08 stsp } else if (pid == 0) {
535 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
536 c9956ddf 2019-09-08 stsp gitconfig_path);
537 aba9c984 2019-09-08 stsp /* not reached */
538 aba9c984 2019-09-08 stsp }
539 aba9c984 2019-09-08 stsp
540 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
541 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
542 aba9c984 2019-09-08 stsp goto done;
543 85f51bba 2018-07-16 stsp }
544 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
545 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
546 aba9c984 2019-09-08 stsp
547 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
548 aba9c984 2019-09-08 stsp if (err)
549 aba9c984 2019-09-08 stsp goto done;
550 aba9c984 2019-09-08 stsp fd = -1;
551 aba9c984 2019-09-08 stsp
552 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
553 aba9c984 2019-09-08 stsp if (err)
554 aba9c984 2019-09-08 stsp goto done;
555 aba9c984 2019-09-08 stsp
556 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
557 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
558 aba9c984 2019-09-08 stsp if (err)
559 aba9c984 2019-09-08 stsp goto done;
560 aba9c984 2019-09-08 stsp
561 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
562 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
563 20b7abb3 2020-10-22 stsp ibuf);
564 20b7abb3 2020-10-22 stsp if (err)
565 20b7abb3 2020-10-22 stsp goto done;
566 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
567 20b7abb3 2020-10-22 stsp if (err)
568 20b7abb3 2020-10-22 stsp goto done;
569 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
570 20b7abb3 2020-10-22 stsp int i;
571 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
572 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
573 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
574 20b7abb3 2020-10-22 stsp goto done;
575 20b7abb3 2020-10-22 stsp }
576 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
577 20b7abb3 2020-10-22 stsp char *ext;
578 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
579 20b7abb3 2020-10-22 stsp ibuf);
580 20b7abb3 2020-10-22 stsp if (err)
581 20b7abb3 2020-10-22 stsp goto done;
582 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
583 20b7abb3 2020-10-22 stsp }
584 20b7abb3 2020-10-22 stsp }
585 20b7abb3 2020-10-22 stsp }
586 20b7abb3 2020-10-22 stsp
587 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
588 aba9c984 2019-09-08 stsp if (err)
589 aba9c984 2019-09-08 stsp goto done;
590 aba9c984 2019-09-08 stsp
591 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
592 aba9c984 2019-09-08 stsp if (err)
593 aba9c984 2019-09-08 stsp goto done;
594 aba9c984 2019-09-08 stsp
595 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
596 aba9c984 2019-09-08 stsp if (err)
597 aba9c984 2019-09-08 stsp goto done;
598 aba9c984 2019-09-08 stsp
599 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
600 aba9c984 2019-09-08 stsp if (err)
601 aba9c984 2019-09-08 stsp goto done;
602 cd95becd 2019-11-29 stsp
603 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
604 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
605 cd95becd 2019-11-29 stsp if (err)
606 cd95becd 2019-11-29 stsp goto done;
607 cd95becd 2019-11-29 stsp
608 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
609 cd95becd 2019-11-29 stsp nremotes, ibuf);
610 9a1cc63f 2020-02-03 stsp if (err)
611 9a1cc63f 2020-02-03 stsp goto done;
612 9a1cc63f 2020-02-03 stsp }
613 9a1cc63f 2020-02-03 stsp
614 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
615 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
616 cd95becd 2019-11-29 stsp if (err)
617 cd95becd 2019-11-29 stsp goto done;
618 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
619 9a1cc63f 2020-02-03 stsp if (err)
620 9a1cc63f 2020-02-03 stsp goto done;
621 cd95becd 2019-11-29 stsp }
622 aba9c984 2019-09-08 stsp
623 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
624 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
625 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
626 aba9c984 2019-09-08 stsp err = child_err;
627 aba9c984 2019-09-08 stsp done:
628 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
629 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
630 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
631 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
632 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
633 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
634 aba9c984 2019-09-08 stsp free(ibuf);
635 c9956ddf 2019-09-08 stsp return err;
636 c9956ddf 2019-09-08 stsp }
637 c9956ddf 2019-09-08 stsp
638 c9956ddf 2019-09-08 stsp static const struct got_error *
639 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
640 c9956ddf 2019-09-08 stsp {
641 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
642 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
643 c9956ddf 2019-09-08 stsp
644 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
645 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
646 c9956ddf 2019-09-08 stsp int dummy_repo_version;
647 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
648 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
649 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
650 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
651 c9956ddf 2019-09-08 stsp if (err)
652 c9956ddf 2019-09-08 stsp return err;
653 c9956ddf 2019-09-08 stsp }
654 c9956ddf 2019-09-08 stsp
655 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
656 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
657 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
658 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
659 c9956ddf 2019-09-08 stsp
660 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
661 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
662 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
663 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
664 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
665 c9956ddf 2019-09-08 stsp if (err)
666 c9956ddf 2019-09-08 stsp goto done;
667 c9956ddf 2019-09-08 stsp done:
668 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
669 257add31 2020-09-09 stsp return err;
670 257add31 2020-09-09 stsp }
671 257add31 2020-09-09 stsp
672 257add31 2020-09-09 stsp static const struct got_error *
673 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
674 257add31 2020-09-09 stsp {
675 257add31 2020-09-09 stsp const struct got_error *err = NULL;
676 257add31 2020-09-09 stsp char *gotconfig_path;
677 257add31 2020-09-09 stsp
678 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
679 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
680 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
681 257add31 2020-09-09 stsp
682 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
683 257add31 2020-09-09 stsp free(gotconfig_path);
684 85f51bba 2018-07-16 stsp return err;
685 85f51bba 2018-07-16 stsp }
686 85f51bba 2018-07-16 stsp
687 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
688 f134ecfd 2022-03-19 naddy static const char *const repo_extensions[] = {
689 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
690 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
691 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
692 20b7abb3 2020-10-22 stsp };
693 20b7abb3 2020-10-22 stsp
694 85f51bba 2018-07-16 stsp const struct got_error *
695 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
696 0ae84acc 2022-06-15 tracey const char *global_gitconfig_path, int *pack_fds)
697 85f51bba 2018-07-16 stsp {
698 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
699 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
700 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
701 0ae84acc 2022-06-15 tracey size_t i, j = 0;
702 6c414261 2021-03-30 stsp struct rlimit rl;
703 4027f31a 2017-11-04 stsp
704 85f51bba 2018-07-16 stsp *repop = NULL;
705 6c414261 2021-03-30 stsp
706 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
707 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
708 4027f31a 2017-11-04 stsp
709 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
710 c560c1f5 2022-03-14 op if (repo == NULL)
711 c560c1f5 2022-03-14 op return got_error_from_errno("calloc");
712 b343c297 2021-10-11 stsp
713 f8b19efd 2021-10-13 stsp RB_INIT(&repo->packidx_bloom_filters);
714 9b576444 2022-03-14 stsp TAILQ_INIT(&repo->packidx_paths);
715 4027f31a 2017-11-04 stsp
716 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
717 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
718 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
719 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
720 ad242220 2018-09-08 stsp }
721 ad242220 2018-09-08 stsp
722 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
723 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
724 6bef87be 2018-09-11 stsp if (err)
725 f6be5c30 2018-06-22 stsp goto done;
726 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
727 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
728 6bef87be 2018-09-11 stsp if (err)
729 1943de01 2018-06-22 stsp goto done;
730 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
731 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
732 6bef87be 2018-09-11 stsp if (err)
733 eb77ee11 2018-07-08 stsp goto done;
734 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
735 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
736 f4a881ce 2018-11-17 stsp if (err)
737 f4a881ce 2018-11-17 stsp goto done;
738 d3c116bf 2021-10-15 stsp err = got_object_cache_init(&repo->rawcache,
739 d3c116bf 2021-10-15 stsp GOT_OBJECT_CACHE_TYPE_RAW);
740 d3c116bf 2021-10-15 stsp if (err)
741 d3c116bf 2021-10-15 stsp goto done;
742 1943de01 2018-06-22 stsp
743 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
744 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
745 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
746 57160834 2022-05-31 stsp for (i = 0; i < nitems(repo->packs); i++) {
747 57160834 2022-05-31 stsp if (i < repo->pack_cache_size) {
748 0ae84acc 2022-06-15 tracey repo->packs[i].basefd = pack_fds[j++];
749 0ae84acc 2022-06-15 tracey repo->packs[i].accumfd = pack_fds[j++];
750 57160834 2022-05-31 stsp } else {
751 57160834 2022-05-31 stsp repo->packs[i].basefd = -1;
752 57160834 2022-05-31 stsp repo->packs[i].accumfd = -1;
753 57160834 2022-05-31 stsp }
754 57160834 2022-05-31 stsp }
755 61af9b21 2022-06-28 stsp repo->pinned_pack = -1;
756 61af9b21 2022-06-28 stsp repo->pinned_packidx = -1;
757 61af9b21 2022-06-28 stsp repo->pinned_pid = 0;
758 6c414261 2021-03-30 stsp
759 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
760 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
761 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
762 92af5469 2017-11-05 stsp goto done;
763 92af5469 2017-11-05 stsp }
764 4027f31a 2017-11-04 stsp
765 aff6eea4 2020-10-20 stsp for (;;) {
766 aff6eea4 2020-10-20 stsp char *parent_path;
767 aff6eea4 2020-10-20 stsp
768 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
769 85f51bba 2018-07-16 stsp if (err == NULL)
770 85f51bba 2018-07-16 stsp break;
771 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
772 9aceaadf 2020-10-20 stsp goto done;
773 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
774 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
775 0c93d204 2020-10-20 stsp goto done;
776 442a3ddc 2018-04-23 stsp }
777 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
778 aff6eea4 2020-10-20 stsp if (err)
779 f2db9c47 2019-08-24 stsp goto done;
780 aff6eea4 2020-10-20 stsp free(repo_path);
781 aff6eea4 2020-10-20 stsp repo_path = parent_path;
782 aff6eea4 2020-10-20 stsp }
783 1d126e2d 2019-08-24 stsp
784 257add31 2020-09-09 stsp err = read_gotconfig(repo);
785 257add31 2020-09-09 stsp if (err)
786 257add31 2020-09-09 stsp goto done;
787 257add31 2020-09-09 stsp
788 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
789 1d126e2d 2019-08-24 stsp if (err)
790 1d126e2d 2019-08-24 stsp goto done;
791 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
792 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
793 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
794 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
795 20b7abb3 2020-10-22 stsp int j, supported = 0;
796 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
797 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
798 20b7abb3 2020-10-22 stsp supported = 1;
799 20b7abb3 2020-10-22 stsp break;
800 20b7abb3 2020-10-22 stsp }
801 20b7abb3 2020-10-22 stsp }
802 20b7abb3 2020-10-22 stsp if (!supported) {
803 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
804 20b7abb3 2020-10-22 stsp goto done;
805 20b7abb3 2020-10-22 stsp }
806 20b7abb3 2020-10-22 stsp }
807 9b576444 2022-03-14 stsp
808 9b576444 2022-03-14 stsp err = got_repo_list_packidx(&repo->packidx_paths, repo);
809 92af5469 2017-11-05 stsp done:
810 92af5469 2017-11-05 stsp if (err)
811 5c2f5761 2018-09-19 stsp got_repo_close(repo);
812 85f51bba 2018-07-16 stsp else
813 85f51bba 2018-07-16 stsp *repop = repo;
814 aff6eea4 2020-10-20 stsp free(repo_path);
815 92af5469 2017-11-05 stsp return err;
816 4027f31a 2017-11-04 stsp }
817 4027f31a 2017-11-04 stsp
818 ad242220 2018-09-08 stsp const struct got_error *
819 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
820 4027f31a 2017-11-04 stsp {
821 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
822 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter *bf;
823 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
824 16aeacf7 2020-11-26 stsp size_t i;
825 79b11c62 2018-03-09 stsp
826 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
827 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
828 79b11c62 2018-03-09 stsp break;
829 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
830 b343c297 2021-10-11 stsp }
831 b343c297 2021-10-11 stsp
832 f8b19efd 2021-10-13 stsp while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
833 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters))) {
834 f8b19efd 2021-10-13 stsp RB_REMOVE(got_packidx_bloom_filter_tree,
835 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
836 b343c297 2021-10-11 stsp free(bf->bloom);
837 b343c297 2021-10-11 stsp free(bf);
838 79b11c62 2018-03-09 stsp }
839 bd1223b9 2018-03-14 stsp
840 0ae84acc 2022-06-15 tracey for (i = 0; i < repo->pack_cache_size; i++)
841 13242195 2022-05-31 stsp if (repo->packs[i].path_packfile)
842 0ae84acc 2022-06-15 tracey if (repo->packs[i].path_packfile)
843 0ae84acc 2022-06-15 tracey got_pack_close(&repo->packs[i]);
844 7e656b93 2018-03-17 stsp
845 4027f31a 2017-11-04 stsp free(repo->path);
846 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
847 cd717821 2018-06-22 stsp
848 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
849 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
850 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
851 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
852 d3c116bf 2021-10-15 stsp got_object_cache_close(&repo->rawcache);
853 ad242220 2018-09-08 stsp
854 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
855 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
856 ad242220 2018-09-08 stsp continue;
857 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
858 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
859 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
860 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
861 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
862 ad242220 2018-09-08 stsp if (child_err && err == NULL)
863 ad242220 2018-09-08 stsp err = child_err;
864 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
865 3a6ce05a 2019-02-11 stsp err == NULL)
866 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
867 ad242220 2018-09-08 stsp }
868 aba9c984 2019-09-08 stsp
869 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
870 1d0f4054 2021-06-17 stsp err == NULL)
871 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
872 991ff1aa 2021-06-15 tracey
873 50b0790e 2020-09-11 stsp if (repo->gotconfig)
874 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
875 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
876 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
877 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
878 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
879 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
880 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
881 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
882 20b7abb3 2020-10-22 stsp free(repo->extensions);
883 9b576444 2022-03-14 stsp
884 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
885 9b576444 2022-03-14 stsp free((void *)pe->path);
886 9b576444 2022-03-14 stsp got_pathlist_free(&repo->packidx_paths);
887 4027f31a 2017-11-04 stsp free(repo);
888 ad242220 2018-09-08 stsp
889 ad242220 2018-09-08 stsp return err;
890 b8adfa55 2020-09-25 stsp }
891 b8adfa55 2020-09-25 stsp
892 b8adfa55 2020-09-25 stsp void
893 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
894 b8adfa55 2020-09-25 stsp {
895 b8adfa55 2020-09-25 stsp int i;
896 b8adfa55 2020-09-25 stsp
897 b8adfa55 2020-09-25 stsp free(repo->name);
898 b8adfa55 2020-09-25 stsp repo->name = NULL;
899 6480c871 2021-08-30 stsp free(repo->fetch_url);
900 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
901 6480c871 2021-08-30 stsp free(repo->send_url);
902 6480c871 2021-08-30 stsp repo->send_url = NULL;
903 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
904 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
905 6480c871 2021-08-30 stsp free(repo->fetch_branches);
906 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
907 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
908 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
909 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
910 6480c871 2021-08-30 stsp free(repo->send_branches);
911 6480c871 2021-08-30 stsp repo->send_branches = NULL;
912 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
913 4027f31a 2017-11-04 stsp }
914 04ca23f4 2018-07-16 stsp
915 04ca23f4 2018-07-16 stsp const struct got_error *
916 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
917 8fa913ec 2020-11-14 stsp const char *input_path)
918 04ca23f4 2018-07-16 stsp {
919 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
920 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
921 e83c0634 2020-01-27 stsp size_t repolen, len;
922 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
923 04ca23f4 2018-07-16 stsp
924 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
925 04ca23f4 2018-07-16 stsp
926 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
927 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
928 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
929 04ca23f4 2018-07-16 stsp goto done;
930 04ca23f4 2018-07-16 stsp }
931 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
932 04ca23f4 2018-07-16 stsp if (err)
933 04ca23f4 2018-07-16 stsp goto done;
934 04ca23f4 2018-07-16 stsp
935 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
936 04ca23f4 2018-07-16 stsp
937 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
938 23721109 2018-10-22 stsp path = strdup(canonpath);
939 b70703ad 2019-03-18 stsp if (path == NULL) {
940 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
941 04ca23f4 2018-07-16 stsp goto done;
942 04ca23f4 2018-07-16 stsp }
943 04ca23f4 2018-07-16 stsp } else {
944 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
945 04ca23f4 2018-07-16 stsp if (path == NULL) {
946 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
947 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
948 230a42bd 2019-05-11 jcs canonpath);
949 b70703ad 2019-03-18 stsp goto done;
950 b70703ad 2019-03-18 stsp }
951 b70703ad 2019-03-18 stsp /*
952 b70703ad 2019-03-18 stsp * Path is not on disk.
953 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
954 b70703ad 2019-03-18 stsp */
955 b70703ad 2019-03-18 stsp path = strdup(canonpath);
956 b70703ad 2019-03-18 stsp if (path == NULL) {
957 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
958 b70703ad 2019-03-18 stsp goto done;
959 b70703ad 2019-03-18 stsp }
960 04ca23f4 2018-07-16 stsp }
961 04ca23f4 2018-07-16 stsp
962 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
963 04ca23f4 2018-07-16 stsp len = strlen(path);
964 04ca23f4 2018-07-16 stsp
965 04ca23f4 2018-07-16 stsp
966 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
967 04ca23f4 2018-07-16 stsp free(path);
968 04ca23f4 2018-07-16 stsp path = strdup("");
969 04ca23f4 2018-07-16 stsp if (path == NULL) {
970 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
971 04ca23f4 2018-07-16 stsp goto done;
972 04ca23f4 2018-07-16 stsp }
973 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
974 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
975 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
976 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
977 04ca23f4 2018-07-16 stsp /*
978 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
979 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
980 04ca23f4 2018-07-16 stsp */
981 abc59930 2021-09-05 naddy free(path);
982 abc59930 2021-09-05 naddy path = canonpath;
983 abc59930 2021-09-05 naddy canonpath = NULL;
984 04ca23f4 2018-07-16 stsp } else {
985 04ca23f4 2018-07-16 stsp char *child;
986 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
987 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
988 04ca23f4 2018-07-16 stsp repo_abspath, path);
989 04ca23f4 2018-07-16 stsp if (err)
990 04ca23f4 2018-07-16 stsp goto done;
991 04ca23f4 2018-07-16 stsp free(path);
992 04ca23f4 2018-07-16 stsp path = child;
993 04ca23f4 2018-07-16 stsp }
994 04ca23f4 2018-07-16 stsp } else {
995 04ca23f4 2018-07-16 stsp /*
996 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
997 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
998 04ca23f4 2018-07-16 stsp */
999 abc59930 2021-09-05 naddy free(path);
1000 abc59930 2021-09-05 naddy path = canonpath;
1001 abc59930 2021-09-05 naddy canonpath = NULL;
1002 04ca23f4 2018-07-16 stsp }
1003 04ca23f4 2018-07-16 stsp }
1004 04ca23f4 2018-07-16 stsp
1005 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
1006 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
1007 04ca23f4 2018-07-16 stsp char *abspath;
1008 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
1009 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1010 04ca23f4 2018-07-16 stsp goto done;
1011 04ca23f4 2018-07-16 stsp }
1012 04ca23f4 2018-07-16 stsp free(path);
1013 04ca23f4 2018-07-16 stsp path = abspath;
1014 04ca23f4 2018-07-16 stsp }
1015 04ca23f4 2018-07-16 stsp
1016 04ca23f4 2018-07-16 stsp done:
1017 04ca23f4 2018-07-16 stsp free(canonpath);
1018 04ca23f4 2018-07-16 stsp if (err)
1019 04ca23f4 2018-07-16 stsp free(path);
1020 04ca23f4 2018-07-16 stsp else
1021 04ca23f4 2018-07-16 stsp *in_repo_path = path;
1022 1510f469 2018-09-09 stsp return err;
1023 1510f469 2018-09-09 stsp }
1024 1510f469 2018-09-09 stsp
1025 e1a68182 2020-01-07 stsp static const struct got_error *
1026 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
1027 e1a68182 2020-01-07 stsp const char *path_packidx)
1028 1510f469 2018-09-09 stsp {
1029 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1030 16aeacf7 2020-11-26 stsp size_t i;
1031 1510f469 2018-09-09 stsp
1032 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1033 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1034 1510f469 2018-09-09 stsp break;
1035 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1036 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1037 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1038 e1a68182 2020-01-07 stsp }
1039 1510f469 2018-09-09 stsp }
1040 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1041 61af9b21 2022-06-28 stsp do {
1042 61af9b21 2022-06-28 stsp i--;
1043 61af9b21 2022-06-28 stsp } while (i > 0 && repo->pinned_packidx >= 0 &&
1044 61af9b21 2022-06-28 stsp i == repo->pinned_packidx);
1045 7a0b1068 2021-10-11 stsp err = got_packidx_close(repo->packidx_cache[i]);
1046 1510f469 2018-09-09 stsp if (err)
1047 1510f469 2018-09-09 stsp return err;
1048 1510f469 2018-09-09 stsp }
1049 1510f469 2018-09-09 stsp
1050 7a0b1068 2021-10-11 stsp repo->packidx_cache[i] = packidx;
1051 15fe583f 2018-11-05 stsp
1052 1510f469 2018-09-09 stsp return NULL;
1053 1510f469 2018-09-09 stsp }
1054 1510f469 2018-09-09 stsp
1055 1124fe40 2021-07-07 stsp int
1056 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
1057 1510f469 2018-09-09 stsp {
1058 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
1059 1510f469 2018-09-09 stsp return 0;
1060 1510f469 2018-09-09 stsp
1061 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
1062 1510f469 2018-09-09 stsp return 0;
1063 1510f469 2018-09-09 stsp
1064 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1065 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1066 1510f469 2018-09-09 stsp return 0;
1067 b343c297 2021-10-11 stsp
1068 b343c297 2021-10-11 stsp return 1;
1069 b343c297 2021-10-11 stsp }
1070 b343c297 2021-10-11 stsp
1071 f8b19efd 2021-10-13 stsp static struct got_packidx_bloom_filter *
1072 f8b19efd 2021-10-13 stsp get_packidx_bloom_filter(struct got_repository *repo,
1073 f8b19efd 2021-10-13 stsp const char *path, size_t path_len)
1074 f8b19efd 2021-10-13 stsp {
1075 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter key;
1076 f8b19efd 2021-10-13 stsp
1077 f8b19efd 2021-10-13 stsp if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1078 f8b19efd 2021-10-13 stsp return NULL; /* XXX */
1079 f8b19efd 2021-10-13 stsp key.path_len = path_len;
1080 f8b19efd 2021-10-13 stsp
1081 f8b19efd 2021-10-13 stsp return RB_FIND(got_packidx_bloom_filter_tree,
1082 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, &key);
1083 f8b19efd 2021-10-13 stsp }
1084 f8b19efd 2021-10-13 stsp
1085 67fd6849 2022-02-13 stsp int
1086 67fd6849 2022-02-13 stsp got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1087 b343c297 2021-10-11 stsp const char *path_packidx, struct got_object_id *id)
1088 b343c297 2021-10-11 stsp {
1089 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
1090 b343c297 2021-10-11 stsp
1091 f8b19efd 2021-10-13 stsp bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1092 f8b19efd 2021-10-13 stsp if (bf)
1093 f8b19efd 2021-10-13 stsp return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1094 1510f469 2018-09-09 stsp
1095 b343c297 2021-10-11 stsp /* No bloom filter means this pack index must be searched. */
1096 1510f469 2018-09-09 stsp return 1;
1097 b343c297 2021-10-11 stsp }
1098 b343c297 2021-10-11 stsp
1099 b343c297 2021-10-11 stsp static const struct got_error *
1100 b343c297 2021-10-11 stsp add_packidx_bloom_filter(struct got_repository *repo,
1101 b343c297 2021-10-11 stsp struct got_packidx *packidx, const char *path_packidx)
1102 b343c297 2021-10-11 stsp {
1103 b343c297 2021-10-11 stsp int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1104 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
1105 b343c297 2021-10-11 stsp size_t len;
1106 b343c297 2021-10-11 stsp
1107 b343c297 2021-10-11 stsp /*
1108 b343c297 2021-10-11 stsp * Don't use bloom filters for very large pack index files.
1109 b343c297 2021-10-11 stsp * Large pack files will contain a relatively large fraction
1110 b343c297 2021-10-11 stsp * of our objects so we will likely need to visit them anyway.
1111 b343c297 2021-10-11 stsp * The more objects a pack file contains the higher the probability
1112 b343c297 2021-10-11 stsp * of a false-positive match from the bloom filter. And reading
1113 b343c297 2021-10-11 stsp * all object IDs from a large pack index file can be expensive.
1114 b343c297 2021-10-11 stsp */
1115 b343c297 2021-10-11 stsp if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1116 b343c297 2021-10-11 stsp return NULL;
1117 b343c297 2021-10-11 stsp
1118 b343c297 2021-10-11 stsp /* Do we already have a filter for this pack index? */
1119 f8b19efd 2021-10-13 stsp if (get_packidx_bloom_filter(repo, path_packidx,
1120 f8b19efd 2021-10-13 stsp strlen(path_packidx)) != NULL)
1121 f8b19efd 2021-10-13 stsp return NULL;
1122 b343c297 2021-10-11 stsp
1123 b343c297 2021-10-11 stsp bf = calloc(1, sizeof(*bf));
1124 b343c297 2021-10-11 stsp if (bf == NULL)
1125 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1126 b343c297 2021-10-11 stsp bf->bloom = calloc(1, sizeof(*bf->bloom));
1127 b343c297 2021-10-11 stsp if (bf->bloom == NULL) {
1128 b343c297 2021-10-11 stsp free(bf);
1129 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1130 b343c297 2021-10-11 stsp }
1131 b343c297 2021-10-11 stsp
1132 f8b19efd 2021-10-13 stsp len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1133 f8b19efd 2021-10-13 stsp if (len >= sizeof(bf->path)) {
1134 b343c297 2021-10-11 stsp free(bf->bloom);
1135 b343c297 2021-10-11 stsp free(bf);
1136 b343c297 2021-10-11 stsp return got_error(GOT_ERR_NO_SPACE);
1137 b343c297 2021-10-11 stsp }
1138 f8b19efd 2021-10-13 stsp bf->path_len = len;
1139 b343c297 2021-10-11 stsp
1140 b343c297 2021-10-11 stsp /* Minimum size supported by our bloom filter is 1000 entries. */
1141 b343c297 2021-10-11 stsp bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1142 b343c297 2021-10-11 stsp for (i = 0; i < nobjects; i++) {
1143 b343c297 2021-10-11 stsp struct got_packidx_object_id *id;
1144 b343c297 2021-10-11 stsp id = &packidx->hdr.sorted_ids[i];
1145 b343c297 2021-10-11 stsp bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1146 b343c297 2021-10-11 stsp }
1147 b343c297 2021-10-11 stsp
1148 f8b19efd 2021-10-13 stsp RB_INSERT(got_packidx_bloom_filter_tree,
1149 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
1150 b343c297 2021-10-11 stsp return NULL;
1151 1510f469 2018-09-09 stsp }
1152 1510f469 2018-09-09 stsp
1153 1510f469 2018-09-09 stsp const struct got_error *
1154 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1155 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1156 1510f469 2018-09-09 stsp {
1157 1510f469 2018-09-09 stsp const struct got_error *err;
1158 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1159 16aeacf7 2020-11-26 stsp size_t i;
1160 1510f469 2018-09-09 stsp
1161 1510f469 2018-09-09 stsp /* Search pack index cache. */
1162 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1163 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1164 1510f469 2018-09-09 stsp break;
1165 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1166 b343c297 2021-10-11 stsp repo->packidx_cache[i]->path_packidx, id))
1167 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1168 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1169 1510f469 2018-09-09 stsp if (*idx != -1) {
1170 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1171 87c1ed2b 2020-01-07 stsp /*
1172 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1173 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1174 87c1ed2b 2020-01-07 stsp */
1175 87c1ed2b 2020-01-07 stsp if (i > 0) {
1176 7a0b1068 2021-10-11 stsp memmove(&repo->packidx_cache[1],
1177 7a0b1068 2021-10-11 stsp &repo->packidx_cache[0],
1178 7a0b1068 2021-10-11 stsp i * sizeof(repo->packidx_cache[0]));
1179 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1180 61af9b21 2022-06-28 stsp if (repo->pinned_packidx >= 0 &&
1181 61af9b21 2022-06-28 stsp repo->pinned_packidx < i)
1182 61af9b21 2022-06-28 stsp repo->pinned_packidx++;
1183 61af9b21 2022-06-28 stsp else if (repo->pinned_packidx == i)
1184 61af9b21 2022-06-28 stsp repo->pinned_packidx = 0;
1185 87c1ed2b 2020-01-07 stsp }
1186 1510f469 2018-09-09 stsp return NULL;
1187 1510f469 2018-09-09 stsp }
1188 1510f469 2018-09-09 stsp }
1189 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1190 1510f469 2018-09-09 stsp
1191 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1192 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1193 e1a68182 2020-01-07 stsp int is_cached = 0;
1194 e1a68182 2020-01-07 stsp
1195 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1196 9b576444 2022-03-14 stsp pe->path, id))
1197 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1198 b343c297 2021-10-11 stsp
1199 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1200 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1201 e1a68182 2020-01-07 stsp break;
1202 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1203 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1204 e1a68182 2020-01-07 stsp is_cached = 1;
1205 e1a68182 2020-01-07 stsp break;
1206 e1a68182 2020-01-07 stsp }
1207 1510f469 2018-09-09 stsp }
1208 9b576444 2022-03-14 stsp if (is_cached)
1209 e1a68182 2020-01-07 stsp continue; /* already searched */
1210 1510f469 2018-09-09 stsp
1211 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1212 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1213 9b576444 2022-03-14 stsp if (err)
1214 e1a68182 2020-01-07 stsp goto done;
1215 e1a68182 2020-01-07 stsp
1216 b343c297 2021-10-11 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1217 9b576444 2022-03-14 stsp if (err)
1218 b343c297 2021-10-11 stsp goto done;
1219 b343c297 2021-10-11 stsp
1220 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1221 1510f469 2018-09-09 stsp if (err)
1222 1510f469 2018-09-09 stsp goto done;
1223 1510f469 2018-09-09 stsp
1224 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1225 1510f469 2018-09-09 stsp if (*idx != -1) {
1226 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1227 1510f469 2018-09-09 stsp goto done;
1228 1510f469 2018-09-09 stsp }
1229 1510f469 2018-09-09 stsp }
1230 1510f469 2018-09-09 stsp
1231 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1232 1510f469 2018-09-09 stsp done:
1233 04ca23f4 2018-07-16 stsp return err;
1234 04ca23f4 2018-07-16 stsp }
1235 1510f469 2018-09-09 stsp
1236 67fd6849 2022-02-13 stsp const struct got_error *
1237 67fd6849 2022-02-13 stsp got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1238 67fd6849 2022-02-13 stsp struct got_repository *repo)
1239 67fd6849 2022-02-13 stsp {
1240 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
1241 67fd6849 2022-02-13 stsp DIR *packdir = NULL;
1242 67fd6849 2022-02-13 stsp struct dirent *dent;
1243 67fd6849 2022-02-13 stsp char *path_packidx = NULL;
1244 67fd6849 2022-02-13 stsp int packdir_fd;
1245 67fd6849 2022-02-13 stsp
1246 67fd6849 2022-02-13 stsp packdir_fd = openat(got_repo_get_fd(repo),
1247 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1248 67fd6849 2022-02-13 stsp if (packdir_fd == -1) {
1249 67fd6849 2022-02-13 stsp return got_error_from_errno_fmt("openat: %s/%s",
1250 67fd6849 2022-02-13 stsp got_repo_get_path_git_dir(repo),
1251 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR);
1252 67fd6849 2022-02-13 stsp }
1253 67fd6849 2022-02-13 stsp
1254 67fd6849 2022-02-13 stsp packdir = fdopendir(packdir_fd);
1255 67fd6849 2022-02-13 stsp if (packdir == NULL) {
1256 67fd6849 2022-02-13 stsp err = got_error_from_errno("fdopendir");
1257 67fd6849 2022-02-13 stsp goto done;
1258 67fd6849 2022-02-13 stsp }
1259 67fd6849 2022-02-13 stsp
1260 67fd6849 2022-02-13 stsp while ((dent = readdir(packdir)) != NULL) {
1261 67fd6849 2022-02-13 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
1262 67fd6849 2022-02-13 stsp continue;
1263 67fd6849 2022-02-13 stsp
1264 67fd6849 2022-02-13 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1265 67fd6849 2022-02-13 stsp dent->d_name) == -1) {
1266 67fd6849 2022-02-13 stsp err = got_error_from_errno("asprintf");
1267 67fd6849 2022-02-13 stsp path_packidx = NULL;
1268 67fd6849 2022-02-13 stsp break;
1269 67fd6849 2022-02-13 stsp }
1270 67fd6849 2022-02-13 stsp
1271 67fd6849 2022-02-13 stsp err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1272 67fd6849 2022-02-13 stsp if (err)
1273 67fd6849 2022-02-13 stsp break;
1274 67fd6849 2022-02-13 stsp }
1275 67fd6849 2022-02-13 stsp done:
1276 67fd6849 2022-02-13 stsp if (err)
1277 67fd6849 2022-02-13 stsp free(path_packidx);
1278 67fd6849 2022-02-13 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1279 67fd6849 2022-02-13 stsp err = got_error_from_errno("closedir");
1280 67fd6849 2022-02-13 stsp return err;
1281 67fd6849 2022-02-13 stsp }
1282 67fd6849 2022-02-13 stsp
1283 67fd6849 2022-02-13 stsp const struct got_error *
1284 67fd6849 2022-02-13 stsp got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1285 67fd6849 2022-02-13 stsp struct got_repository *repo)
1286 67fd6849 2022-02-13 stsp {
1287 67fd6849 2022-02-13 stsp const struct got_error *err;
1288 67fd6849 2022-02-13 stsp size_t i;
1289 67fd6849 2022-02-13 stsp
1290 67fd6849 2022-02-13 stsp *packidx = NULL;
1291 67fd6849 2022-02-13 stsp
1292 67fd6849 2022-02-13 stsp /* Search pack index cache. */
1293 67fd6849 2022-02-13 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1294 67fd6849 2022-02-13 stsp if (repo->packidx_cache[i] == NULL)
1295 67fd6849 2022-02-13 stsp break;
1296 67fd6849 2022-02-13 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1297 67fd6849 2022-02-13 stsp path_packidx) == 0) {
1298 67fd6849 2022-02-13 stsp *packidx = repo->packidx_cache[i];
1299 67fd6849 2022-02-13 stsp return NULL;
1300 67fd6849 2022-02-13 stsp }
1301 67fd6849 2022-02-13 stsp }
1302 67fd6849 2022-02-13 stsp /* No luck. Search the filesystem. */
1303 67fd6849 2022-02-13 stsp
1304 67fd6849 2022-02-13 stsp err = got_packidx_open(packidx, got_repo_get_fd(repo),
1305 67fd6849 2022-02-13 stsp path_packidx, 0);
1306 67fd6849 2022-02-13 stsp if (err)
1307 67fd6849 2022-02-13 stsp return err;
1308 67fd6849 2022-02-13 stsp
1309 67fd6849 2022-02-13 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1310 67fd6849 2022-02-13 stsp if (err)
1311 67fd6849 2022-02-13 stsp goto done;
1312 67fd6849 2022-02-13 stsp
1313 67fd6849 2022-02-13 stsp err = cache_packidx(repo, *packidx, path_packidx);
1314 67fd6849 2022-02-13 stsp done:
1315 67fd6849 2022-02-13 stsp if (err) {
1316 67fd6849 2022-02-13 stsp got_packidx_close(*packidx);
1317 67fd6849 2022-02-13 stsp *packidx = NULL;
1318 67fd6849 2022-02-13 stsp }
1319 67fd6849 2022-02-13 stsp return err;
1320 67fd6849 2022-02-13 stsp }
1321 67fd6849 2022-02-13 stsp
1322 1510f469 2018-09-09 stsp static const struct got_error *
1323 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1324 1510f469 2018-09-09 stsp {
1325 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1326 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1327 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1328 1510f469 2018-09-09 stsp ssize_t n;
1329 1510f469 2018-09-09 stsp
1330 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1331 1510f469 2018-09-09 stsp if (n < 0)
1332 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1333 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1334 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1335 1510f469 2018-09-09 stsp
1336 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1337 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1338 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1339 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1340 1510f469 2018-09-09 stsp
1341 1510f469 2018-09-09 stsp return err;
1342 1510f469 2018-09-09 stsp }
1343 1510f469 2018-09-09 stsp
1344 1510f469 2018-09-09 stsp static const struct got_error *
1345 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1346 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1347 1510f469 2018-09-09 stsp {
1348 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1349 1510f469 2018-09-09 stsp
1350 e7ae0baf 2021-12-31 stsp *fd = openat(got_repo_get_fd(repo), relpath,
1351 e7ae0baf 2021-12-31 stsp O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1352 1510f469 2018-09-09 stsp if (*fd == -1)
1353 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1354 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1355 1510f469 2018-09-09 stsp
1356 1510f469 2018-09-09 stsp if (packidx) {
1357 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1358 1510f469 2018-09-09 stsp if (err) {
1359 1510f469 2018-09-09 stsp close(*fd);
1360 1510f469 2018-09-09 stsp *fd = -1;
1361 1510f469 2018-09-09 stsp }
1362 1510f469 2018-09-09 stsp }
1363 1510f469 2018-09-09 stsp
1364 1510f469 2018-09-09 stsp return err;
1365 1510f469 2018-09-09 stsp }
1366 1510f469 2018-09-09 stsp
1367 1510f469 2018-09-09 stsp const struct got_error *
1368 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1369 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1370 1510f469 2018-09-09 stsp {
1371 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1372 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1373 ff563a3d 2019-05-23 stsp struct stat sb;
1374 16aeacf7 2020-11-26 stsp size_t i;
1375 1510f469 2018-09-09 stsp
1376 1510f469 2018-09-09 stsp if (packp)
1377 1510f469 2018-09-09 stsp *packp = NULL;
1378 1510f469 2018-09-09 stsp
1379 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1380 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1381 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1382 1510f469 2018-09-09 stsp break;
1383 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1384 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1385 1510f469 2018-09-09 stsp }
1386 1510f469 2018-09-09 stsp
1387 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1388 6a881297 2022-06-02 stsp struct got_pack tmp;
1389 61af9b21 2022-06-28 stsp do {
1390 61af9b21 2022-06-28 stsp i--;
1391 61af9b21 2022-06-28 stsp } while (i > 0 && repo->pinned_pack >= 0 &&
1392 61af9b21 2022-06-28 stsp i == repo->pinned_pack);
1393 61af9b21 2022-06-28 stsp err = got_pack_close(&repo->packs[i]);
1394 1510f469 2018-09-09 stsp if (err)
1395 1510f469 2018-09-09 stsp return err;
1396 61af9b21 2022-06-28 stsp if (ftruncate(repo->packs[i].basefd, 0L) == -1)
1397 57160834 2022-05-31 stsp return got_error_from_errno("ftruncate");
1398 61af9b21 2022-06-28 stsp if (ftruncate(repo->packs[i].accumfd, 0L) == -1)
1399 61af9b21 2022-06-28 stsp return got_error_from_errno("ftruncate");
1400 61af9b21 2022-06-28 stsp memcpy(&tmp, &repo->packs[i], sizeof(tmp));
1401 61af9b21 2022-06-28 stsp memcpy(&repo->packs[i], &repo->packs[0],
1402 61af9b21 2022-06-28 stsp sizeof(repo->packs[i]));
1403 6a881297 2022-06-02 stsp memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1404 61af9b21 2022-06-28 stsp if (repo->pinned_pack == 0)
1405 61af9b21 2022-06-28 stsp repo->pinned_pack = i;
1406 61af9b21 2022-06-28 stsp else if (repo->pinned_pack == i)
1407 61af9b21 2022-06-28 stsp repo->pinned_pack = 0;
1408 1510f469 2018-09-09 stsp i = 0;
1409 1510f469 2018-09-09 stsp }
1410 1510f469 2018-09-09 stsp
1411 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1412 1510f469 2018-09-09 stsp
1413 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1414 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1415 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1416 1510f469 2018-09-09 stsp goto done;
1417 1510f469 2018-09-09 stsp }
1418 1510f469 2018-09-09 stsp
1419 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1420 1510f469 2018-09-09 stsp if (err)
1421 1510f469 2018-09-09 stsp goto done;
1422 1510f469 2018-09-09 stsp
1423 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1424 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1425 1510f469 2018-09-09 stsp goto done;
1426 ff563a3d 2019-05-23 stsp }
1427 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1428 90636195 2018-09-11 stsp
1429 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1430 1510f469 2018-09-09 stsp
1431 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1432 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1433 1510f469 2018-09-09 stsp pack->fd, 0);
1434 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1435 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1436 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1437 3a11398b 2019-02-21 stsp goto done;
1438 3a11398b 2019-02-21 stsp }
1439 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1440 3a11398b 2019-02-21 stsp }
1441 1510f469 2018-09-09 stsp #endif
1442 1510f469 2018-09-09 stsp done:
1443 1510f469 2018-09-09 stsp if (err) {
1444 1510f469 2018-09-09 stsp if (pack) {
1445 1510f469 2018-09-09 stsp free(pack->path_packfile);
1446 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1447 1510f469 2018-09-09 stsp }
1448 1510f469 2018-09-09 stsp } else if (packp)
1449 1510f469 2018-09-09 stsp *packp = pack;
1450 1510f469 2018-09-09 stsp return err;
1451 1510f469 2018-09-09 stsp }
1452 1510f469 2018-09-09 stsp
1453 1510f469 2018-09-09 stsp struct got_pack *
1454 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1455 1510f469 2018-09-09 stsp {
1456 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1457 16aeacf7 2020-11-26 stsp size_t i;
1458 1510f469 2018-09-09 stsp
1459 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1460 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1461 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1462 1510f469 2018-09-09 stsp break;
1463 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1464 1510f469 2018-09-09 stsp return pack;
1465 61af9b21 2022-06-28 stsp }
1466 61af9b21 2022-06-28 stsp
1467 61af9b21 2022-06-28 stsp return NULL;
1468 61af9b21 2022-06-28 stsp }
1469 61af9b21 2022-06-28 stsp
1470 61af9b21 2022-06-28 stsp const struct got_error *
1471 61af9b21 2022-06-28 stsp got_repo_pin_pack(struct got_repository *repo, struct got_packidx *packidx,
1472 61af9b21 2022-06-28 stsp struct got_pack *pack)
1473 61af9b21 2022-06-28 stsp {
1474 61af9b21 2022-06-28 stsp size_t i;
1475 61af9b21 2022-06-28 stsp int pinned_pack = -1, pinned_packidx = -1;
1476 61af9b21 2022-06-28 stsp
1477 61af9b21 2022-06-28 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1478 61af9b21 2022-06-28 stsp if (repo->packidx_cache[i] &&
1479 61af9b21 2022-06-28 stsp strcmp(repo->packidx_cache[i]->path_packidx,
1480 61af9b21 2022-06-28 stsp packidx->path_packidx) == 0)
1481 61af9b21 2022-06-28 stsp pinned_packidx = i;
1482 61af9b21 2022-06-28 stsp if (repo->packs[i].path_packfile &&
1483 61af9b21 2022-06-28 stsp strcmp(repo->packs[i].path_packfile,
1484 61af9b21 2022-06-28 stsp pack->path_packfile) == 0)
1485 61af9b21 2022-06-28 stsp pinned_pack = i;
1486 2c7829a4 2019-06-17 stsp }
1487 61af9b21 2022-06-28 stsp
1488 61af9b21 2022-06-28 stsp if (pinned_packidx == -1 || pinned_pack == -1)
1489 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PIN_PACK);
1490 61af9b21 2022-06-28 stsp
1491 61af9b21 2022-06-28 stsp repo->pinned_pack = pinned_pack;
1492 61af9b21 2022-06-28 stsp repo->pinned_packidx = pinned_packidx;
1493 61af9b21 2022-06-28 stsp repo->pinned_pid = repo->packs[pinned_pack].privsep_child->pid;
1494 61af9b21 2022-06-28 stsp return NULL;
1495 61af9b21 2022-06-28 stsp }
1496 61af9b21 2022-06-28 stsp
1497 61af9b21 2022-06-28 stsp struct got_pack *
1498 61af9b21 2022-06-28 stsp got_repo_get_pinned_pack(struct got_repository *repo)
1499 61af9b21 2022-06-28 stsp {
1500 61af9b21 2022-06-28 stsp if (repo->pinned_pack >= 0 &&
1501 61af9b21 2022-06-28 stsp repo->pinned_pack < repo->pack_cache_size)
1502 61af9b21 2022-06-28 stsp return &repo->packs[repo->pinned_pack];
1503 2c7829a4 2019-06-17 stsp
1504 2c7829a4 2019-06-17 stsp return NULL;
1505 61af9b21 2022-06-28 stsp }
1506 61af9b21 2022-06-28 stsp
1507 61af9b21 2022-06-28 stsp void
1508 61af9b21 2022-06-28 stsp got_repo_unpin_pack(struct got_repository *repo)
1509 61af9b21 2022-06-28 stsp {
1510 61af9b21 2022-06-28 stsp repo->pinned_packidx = -1;
1511 61af9b21 2022-06-28 stsp repo->pinned_pack = -1;
1512 61af9b21 2022-06-28 stsp repo->pinned_pid = 0;
1513 2c7829a4 2019-06-17 stsp }
1514 2c7829a4 2019-06-17 stsp
1515 2c7829a4 2019-06-17 stsp const struct got_error *
1516 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1517 2c7829a4 2019-06-17 stsp {
1518 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1519 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1520 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1521 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1522 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1523 2c7829a4 2019-06-17 stsp };
1524 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1525 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1526 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1527 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1528 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1529 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1530 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1531 2c7829a4 2019-06-17 stsp char *path;
1532 16aeacf7 2020-11-26 stsp size_t i;
1533 2c7829a4 2019-06-17 stsp
1534 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1535 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1536 2c7829a4 2019-06-17 stsp
1537 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1538 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1539 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1540 2c7829a4 2019-06-17 stsp }
1541 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1542 2c7829a4 2019-06-17 stsp free(path);
1543 2c7829a4 2019-06-17 stsp if (err)
1544 2c7829a4 2019-06-17 stsp return err;
1545 1510f469 2018-09-09 stsp }
1546 1510f469 2018-09-09 stsp
1547 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1548 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1549 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1550 2c7829a4 2019-06-17 stsp free(path);
1551 2c7829a4 2019-06-17 stsp if (err)
1552 2c7829a4 2019-06-17 stsp return err;
1553 2c7829a4 2019-06-17 stsp
1554 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1555 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1556 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1557 2c7829a4 2019-06-17 stsp free(path);
1558 2c7829a4 2019-06-17 stsp if (err)
1559 2c7829a4 2019-06-17 stsp return err;
1560 2c7829a4 2019-06-17 stsp
1561 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1562 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1563 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1564 2c7829a4 2019-06-17 stsp free(path);
1565 2c7829a4 2019-06-17 stsp if (err)
1566 2c7829a4 2019-06-17 stsp return err;
1567 2c7829a4 2019-06-17 stsp
1568 1510f469 2018-09-09 stsp return NULL;
1569 e09a504c 2019-06-28 stsp }
1570 e09a504c 2019-06-28 stsp
1571 e09a504c 2019-06-28 stsp static const struct got_error *
1572 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1573 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1574 e09a504c 2019-06-28 stsp {
1575 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1576 9b576444 2022-03-14 stsp struct got_object_id_queue matched_ids;
1577 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1578 e09a504c 2019-06-28 stsp
1579 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1580 dd88155e 2019-06-29 stsp
1581 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1582 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1583 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1584 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1585 dd88155e 2019-06-29 stsp
1586 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1587 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1588 e09a504c 2019-06-28 stsp if (err)
1589 4277420a 2019-06-29 stsp break;
1590 e09a504c 2019-06-28 stsp
1591 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1592 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1593 4277420a 2019-06-29 stsp if (err) {
1594 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1595 4277420a 2019-06-29 stsp break;
1596 4277420a 2019-06-29 stsp }
1597 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1598 dd88155e 2019-06-29 stsp if (err)
1599 e09a504c 2019-06-28 stsp break;
1600 e09a504c 2019-06-28 stsp
1601 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1602 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1603 dd88155e 2019-06-29 stsp int matched_type;
1604 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1605 d7b5a0e8 2022-04-20 stsp &qid->id);
1606 dd88155e 2019-06-29 stsp if (err)
1607 dd88155e 2019-06-29 stsp goto done;
1608 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1609 dd88155e 2019-06-29 stsp continue;
1610 dd88155e 2019-06-29 stsp }
1611 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1612 d7b5a0e8 2022-04-20 stsp *unique_id = got_object_id_dup(&qid->id);
1613 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1614 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1615 dd88155e 2019-06-29 stsp goto done;
1616 dd88155e 2019-06-29 stsp }
1617 4277420a 2019-06-29 stsp } else {
1618 d7b5a0e8 2022-04-20 stsp if (got_object_id_cmp(*unique_id,
1619 d7b5a0e8 2022-04-20 stsp &qid->id) == 0)
1620 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1621 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1622 561c3678 2019-07-02 stsp goto done;
1623 e09a504c 2019-06-28 stsp }
1624 e09a504c 2019-06-28 stsp }
1625 e09a504c 2019-06-28 stsp }
1626 e09a504c 2019-06-28 stsp done:
1627 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1628 e09a504c 2019-06-28 stsp if (err) {
1629 e09a504c 2019-06-28 stsp free(*unique_id);
1630 e09a504c 2019-06-28 stsp *unique_id = NULL;
1631 e09a504c 2019-06-28 stsp }
1632 e09a504c 2019-06-28 stsp return err;
1633 e09a504c 2019-06-28 stsp }
1634 e09a504c 2019-06-28 stsp
1635 e09a504c 2019-06-28 stsp static const struct got_error *
1636 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1637 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1638 e09a504c 2019-06-28 stsp struct got_repository *repo)
1639 e09a504c 2019-06-28 stsp {
1640 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1641 e09a504c 2019-06-28 stsp char *path;
1642 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1643 e09a504c 2019-06-28 stsp struct dirent *dent;
1644 e09a504c 2019-06-28 stsp struct got_object_id id;
1645 e09a504c 2019-06-28 stsp
1646 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1647 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1648 e09a504c 2019-06-28 stsp goto done;
1649 e09a504c 2019-06-28 stsp }
1650 e09a504c 2019-06-28 stsp
1651 e09a504c 2019-06-28 stsp dir = opendir(path);
1652 e09a504c 2019-06-28 stsp if (dir == NULL) {
1653 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1654 4277420a 2019-06-29 stsp err = NULL;
1655 4277420a 2019-06-29 stsp goto done;
1656 4277420a 2019-06-29 stsp }
1657 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1658 e09a504c 2019-06-28 stsp goto done;
1659 e09a504c 2019-06-28 stsp }
1660 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1661 e09a504c 2019-06-28 stsp char *id_str;
1662 5903ff6e 2019-06-29 stsp int cmp;
1663 5903ff6e 2019-06-29 stsp
1664 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1665 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1666 e09a504c 2019-06-28 stsp continue;
1667 e09a504c 2019-06-28 stsp
1668 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1669 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1670 e09a504c 2019-06-28 stsp goto done;
1671 e09a504c 2019-06-28 stsp }
1672 e09a504c 2019-06-28 stsp
1673 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1674 e09a504c 2019-06-28 stsp continue;
1675 e09a504c 2019-06-28 stsp
1676 52d1d0d9 2019-07-07 stsp /*
1677 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1678 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1679 52d1d0d9 2019-07-07 stsp */
1680 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1681 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1682 e09a504c 2019-06-28 stsp free(id_str);
1683 e09a504c 2019-06-28 stsp continue;
1684 e09a504c 2019-06-28 stsp }
1685 e09a504c 2019-06-28 stsp
1686 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1687 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1688 dd88155e 2019-06-29 stsp int matched_type;
1689 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1690 dd88155e 2019-06-29 stsp &id);
1691 dd88155e 2019-06-29 stsp if (err)
1692 dd88155e 2019-06-29 stsp goto done;
1693 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1694 dd88155e 2019-06-29 stsp continue;
1695 dd88155e 2019-06-29 stsp }
1696 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1697 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1698 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1699 e09a504c 2019-06-28 stsp free(id_str);
1700 e09a504c 2019-06-28 stsp goto done;
1701 e09a504c 2019-06-28 stsp }
1702 e09a504c 2019-06-28 stsp } else {
1703 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1704 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1705 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1706 e09a504c 2019-06-28 stsp free(id_str);
1707 e09a504c 2019-06-28 stsp goto done;
1708 e09a504c 2019-06-28 stsp }
1709 e09a504c 2019-06-28 stsp }
1710 e09a504c 2019-06-28 stsp done:
1711 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1712 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1713 e09a504c 2019-06-28 stsp if (err) {
1714 e09a504c 2019-06-28 stsp free(*unique_id);
1715 e09a504c 2019-06-28 stsp *unique_id = NULL;
1716 e09a504c 2019-06-28 stsp }
1717 e09a504c 2019-06-28 stsp free(path);
1718 e09a504c 2019-06-28 stsp return err;
1719 1510f469 2018-09-09 stsp }
1720 e09a504c 2019-06-28 stsp
1721 e09a504c 2019-06-28 stsp const struct got_error *
1722 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1723 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1724 e09a504c 2019-06-28 stsp {
1725 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1726 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1727 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1728 e09a504c 2019-06-28 stsp size_t len;
1729 4277420a 2019-06-29 stsp int i;
1730 e09a504c 2019-06-28 stsp
1731 4277420a 2019-06-29 stsp *id = NULL;
1732 4277420a 2019-06-29 stsp
1733 0e6ab4b2 2022-03-10 stsp len = strlen(id_str_prefix);
1734 0e6ab4b2 2022-03-10 stsp if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1735 0e6ab4b2 2022-03-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1736 0e6ab4b2 2022-03-10 stsp
1737 0e6ab4b2 2022-03-10 stsp for (i = 0; i < len; i++) {
1738 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1739 4277420a 2019-06-29 stsp continue;
1740 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1741 4277420a 2019-06-29 stsp }
1742 4277420a 2019-06-29 stsp
1743 e09a504c 2019-06-28 stsp if (len >= 2) {
1744 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1745 4277420a 2019-06-29 stsp if (err)
1746 83c8b3b8 2019-06-29 stsp goto done;
1747 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1748 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1749 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1750 83c8b3b8 2019-06-29 stsp goto done;
1751 83c8b3b8 2019-06-29 stsp }
1752 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1753 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1754 e09a504c 2019-06-28 stsp } else if (len == 1) {
1755 e09a504c 2019-06-28 stsp int i;
1756 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1757 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1758 83c8b3b8 2019-06-29 stsp == -1) {
1759 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1760 83c8b3b8 2019-06-29 stsp goto done;
1761 83c8b3b8 2019-06-29 stsp }
1762 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1763 dd88155e 2019-06-29 stsp obj_type);
1764 4277420a 2019-06-29 stsp if (err)
1765 83c8b3b8 2019-06-29 stsp goto done;
1766 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1767 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1768 e09a504c 2019-06-28 stsp if (err)
1769 83c8b3b8 2019-06-29 stsp goto done;
1770 e09a504c 2019-06-28 stsp }
1771 83c8b3b8 2019-06-29 stsp } else {
1772 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1773 83c8b3b8 2019-06-29 stsp goto done;
1774 83c8b3b8 2019-06-29 stsp }
1775 83c8b3b8 2019-06-29 stsp done:
1776 e09a504c 2019-06-28 stsp free(object_dir);
1777 4277420a 2019-06-29 stsp if (err) {
1778 4277420a 2019-06-29 stsp free(*id);
1779 4277420a 2019-06-29 stsp *id = NULL;
1780 138e4f47 2021-10-09 stsp } else if (*id == NULL) {
1781 138e4f47 2021-10-09 stsp switch (obj_type) {
1782 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_BLOB:
1783 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1784 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_BLOB, id_str_prefix);
1785 138e4f47 2021-10-09 stsp break;
1786 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TREE:
1787 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1788 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TREE, id_str_prefix);
1789 138e4f47 2021-10-09 stsp break;
1790 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_COMMIT:
1791 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1792 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1793 138e4f47 2021-10-09 stsp break;
1794 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TAG:
1795 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1796 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, id_str_prefix);
1797 138e4f47 2021-10-09 stsp break;
1798 138e4f47 2021-10-09 stsp default:
1799 138e4f47 2021-10-09 stsp err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1800 138e4f47 2021-10-09 stsp break;
1801 138e4f47 2021-10-09 stsp }
1802 138e4f47 2021-10-09 stsp }
1803 303e2782 2019-08-09 stsp
1804 303e2782 2019-08-09 stsp return err;
1805 303e2782 2019-08-09 stsp }
1806 303e2782 2019-08-09 stsp
1807 303e2782 2019-08-09 stsp const struct got_error *
1808 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1809 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1810 71a27632 2020-01-15 stsp struct got_repository *repo)
1811 71a27632 2020-01-15 stsp {
1812 71a27632 2020-01-15 stsp const struct got_error *err;
1813 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1814 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1815 71a27632 2020-01-15 stsp
1816 71a27632 2020-01-15 stsp *id = NULL;
1817 71a27632 2020-01-15 stsp if (label)
1818 71a27632 2020-01-15 stsp *label = NULL;
1819 71a27632 2020-01-15 stsp
1820 84de9106 2020-12-26 stsp if (refs) {
1821 237cfda1 2021-10-08 stsp err = got_repo_object_match_tag(&tag, id_str, obj_type,
1822 84de9106 2020-12-26 stsp refs, repo);
1823 71a27632 2020-01-15 stsp if (err == NULL) {
1824 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1825 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1826 71a27632 2020-01-15 stsp if (*id == NULL)
1827 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1828 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1829 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1830 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1831 71a27632 2020-01-15 stsp free(*id);
1832 71a27632 2020-01-15 stsp *id = NULL;
1833 71a27632 2020-01-15 stsp }
1834 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1835 71a27632 2020-01-15 stsp return err;
1836 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1837 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1838 71a27632 2020-01-15 stsp return err;
1839 71a27632 2020-01-15 stsp }
1840 71a27632 2020-01-15 stsp
1841 0ed2285b 2022-03-09 stsp err = got_ref_open(&ref, repo, id_str, 0);
1842 0ed2285b 2022-03-09 stsp if (err == NULL) {
1843 0ed2285b 2022-03-09 stsp err = got_ref_resolve(id, repo, ref);
1844 0ed2285b 2022-03-09 stsp if (err)
1845 71a27632 2020-01-15 stsp goto done;
1846 71a27632 2020-01-15 stsp if (label) {
1847 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1848 71a27632 2020-01-15 stsp if (*label == NULL) {
1849 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1850 71a27632 2020-01-15 stsp goto done;
1851 71a27632 2020-01-15 stsp }
1852 71a27632 2020-01-15 stsp }
1853 0ed2285b 2022-03-09 stsp } else {
1854 0ed2285b 2022-03-09 stsp if (err->code != GOT_ERR_NOT_REF &&
1855 0ed2285b 2022-03-09 stsp err->code != GOT_ERR_BAD_REF_NAME)
1856 71a27632 2020-01-15 stsp goto done;
1857 0ed2285b 2022-03-09 stsp err = got_repo_match_object_id_prefix(id, id_str,
1858 0ed2285b 2022-03-09 stsp obj_type, repo);
1859 0ed2285b 2022-03-09 stsp if (err) {
1860 0ed2285b 2022-03-09 stsp if (err->code == GOT_ERR_BAD_OBJ_ID_STR)
1861 0ed2285b 2022-03-09 stsp err = got_error_not_ref(id_str);
1862 0ed2285b 2022-03-09 stsp goto done;
1863 71a27632 2020-01-15 stsp }
1864 0ed2285b 2022-03-09 stsp if (label) {
1865 0ed2285b 2022-03-09 stsp err = got_object_id_str(label, *id);
1866 0ed2285b 2022-03-09 stsp if (*label == NULL) {
1867 0ed2285b 2022-03-09 stsp err = got_error_from_errno("strdup");
1868 0ed2285b 2022-03-09 stsp goto done;
1869 0ed2285b 2022-03-09 stsp }
1870 0ed2285b 2022-03-09 stsp }
1871 71a27632 2020-01-15 stsp }
1872 71a27632 2020-01-15 stsp done:
1873 71a27632 2020-01-15 stsp if (ref)
1874 71a27632 2020-01-15 stsp got_ref_close(ref);
1875 71a27632 2020-01-15 stsp return err;
1876 71a27632 2020-01-15 stsp }
1877 71a27632 2020-01-15 stsp
1878 71a27632 2020-01-15 stsp const struct got_error *
1879 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1880 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1881 303e2782 2019-08-09 stsp {
1882 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1883 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1884 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1885 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1886 303e2782 2019-08-09 stsp
1887 303e2782 2019-08-09 stsp *tag = NULL;
1888 303e2782 2019-08-09 stsp
1889 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1890 303e2782 2019-08-09 stsp const char *refname;
1891 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1892 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1893 303e2782 2019-08-09 stsp continue;
1894 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1895 84de9106 2020-12-26 stsp continue;
1896 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1897 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1898 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1899 303e2782 2019-08-09 stsp continue;
1900 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1901 303e2782 2019-08-09 stsp if (err)
1902 303e2782 2019-08-09 stsp break;
1903 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1904 303e2782 2019-08-09 stsp free(tag_id);
1905 303e2782 2019-08-09 stsp if (err)
1906 303e2782 2019-08-09 stsp break;
1907 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1908 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1909 303e2782 2019-08-09 stsp break;
1910 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1911 303e2782 2019-08-09 stsp *tag = NULL;
1912 303e2782 2019-08-09 stsp }
1913 4277420a 2019-06-29 stsp
1914 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1915 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1916 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, name);
1917 e09a504c 2019-06-28 stsp return err;
1918 e09a504c 2019-06-28 stsp }
1919 7a1d6b72 2020-01-15 stsp
1920 3ce1b845 2019-07-15 stsp static const struct got_error *
1921 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1922 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1923 3ce1b845 2019-07-15 stsp {
1924 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1925 3ce1b845 2019-07-15 stsp
1926 3ce1b845 2019-07-15 stsp *new_te = NULL;
1927 3ce1b845 2019-07-15 stsp
1928 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1929 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1930 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1931 3ce1b845 2019-07-15 stsp
1932 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1933 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1934 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1935 3ce1b845 2019-07-15 stsp goto done;
1936 3ce1b845 2019-07-15 stsp }
1937 3ce1b845 2019-07-15 stsp
1938 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1939 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1940 e8863bdc 2020-07-23 stsp } else {
1941 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1942 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1943 e8863bdc 2020-07-23 stsp }
1944 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1945 3ce1b845 2019-07-15 stsp done:
1946 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1947 56e0773d 2019-11-28 stsp free(*new_te);
1948 3ce1b845 2019-07-15 stsp *new_te = NULL;
1949 3ce1b845 2019-07-15 stsp }
1950 3ce1b845 2019-07-15 stsp return err;
1951 3ce1b845 2019-07-15 stsp }
1952 3ce1b845 2019-07-15 stsp
1953 3ce1b845 2019-07-15 stsp static const struct got_error *
1954 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1955 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1956 3ce1b845 2019-07-15 stsp {
1957 3ce1b845 2019-07-15 stsp const struct got_error *err;
1958 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1959 3ce1b845 2019-07-15 stsp char *filepath;
1960 3ce1b845 2019-07-15 stsp struct stat sb;
1961 3ce1b845 2019-07-15 stsp
1962 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1963 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1964 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1965 3ce1b845 2019-07-15 stsp
1966 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1967 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1968 3ce1b845 2019-07-15 stsp goto done;
1969 3ce1b845 2019-07-15 stsp }
1970 3ce1b845 2019-07-15 stsp
1971 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1972 3ce1b845 2019-07-15 stsp if (err)
1973 3ce1b845 2019-07-15 stsp goto done;
1974 3ce1b845 2019-07-15 stsp
1975 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1976 3ce1b845 2019-07-15 stsp blob_id);
1977 3ce1b845 2019-07-15 stsp done:
1978 3ce1b845 2019-07-15 stsp free(filepath);
1979 3ce1b845 2019-07-15 stsp if (err)
1980 3ce1b845 2019-07-15 stsp free(blob_id);
1981 3ce1b845 2019-07-15 stsp return err;
1982 3ce1b845 2019-07-15 stsp }
1983 3ce1b845 2019-07-15 stsp
1984 3ce1b845 2019-07-15 stsp static const struct got_error *
1985 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1986 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1987 3ce1b845 2019-07-15 stsp {
1988 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1989 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1990 3ce1b845 2019-07-15 stsp
1991 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1992 3ce1b845 2019-07-15 stsp if (err)
1993 3ce1b845 2019-07-15 stsp return err;
1994 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1995 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1996 3ce1b845 2019-07-15 stsp return NULL;
1997 3ce1b845 2019-07-15 stsp }
1998 3ce1b845 2019-07-15 stsp
1999 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
2000 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
2001 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
2002 3ce1b845 2019-07-15 stsp
2003 3ce1b845 2019-07-15 stsp static const struct got_error *
2004 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
2005 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
2006 3ce1b845 2019-07-15 stsp struct got_repository *repo,
2007 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
2008 3ce1b845 2019-07-15 stsp {
2009 3ce1b845 2019-07-15 stsp const struct got_error *err;
2010 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
2011 3ce1b845 2019-07-15 stsp char *subdirpath;
2012 3ce1b845 2019-07-15 stsp
2013 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
2014 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
2015 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
2016 3ce1b845 2019-07-15 stsp
2017 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
2018 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
2019 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
2020 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
2021 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
2022 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
2023 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
2024 3ce1b845 2019-07-15 stsp goto done;
2025 3ce1b845 2019-07-15 stsp }
2026 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
2027 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2028 56e0773d 2019-11-28 stsp if (err)
2029 56e0773d 2019-11-28 stsp goto done;
2030 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
2031 56e0773d 2019-11-28 stsp
2032 3ce1b845 2019-07-15 stsp done:
2033 56e0773d 2019-11-28 stsp free(id);
2034 3ce1b845 2019-07-15 stsp free(subdirpath);
2035 3ce1b845 2019-07-15 stsp if (err) {
2036 56e0773d 2019-11-28 stsp free(*new_te);
2037 3ce1b845 2019-07-15 stsp *new_te = NULL;
2038 3ce1b845 2019-07-15 stsp }
2039 3ce1b845 2019-07-15 stsp return err;
2040 3ce1b845 2019-07-15 stsp }
2041 3ce1b845 2019-07-15 stsp
2042 3ce1b845 2019-07-15 stsp static const struct got_error *
2043 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
2044 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
2045 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
2046 3ce1b845 2019-07-15 stsp {
2047 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
2048 3ce1b845 2019-07-15 stsp DIR *dir;
2049 3ce1b845 2019-07-15 stsp struct dirent *de;
2050 56e0773d 2019-11-28 stsp int nentries;
2051 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
2052 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
2053 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
2054 3ce1b845 2019-07-15 stsp
2055 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
2056 3ce1b845 2019-07-15 stsp
2057 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
2058 3ce1b845 2019-07-15 stsp
2059 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
2060 3ce1b845 2019-07-15 stsp if (dir == NULL) {
2061 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
2062 3ce1b845 2019-07-15 stsp goto done;
2063 3ce1b845 2019-07-15 stsp }
2064 3ce1b845 2019-07-15 stsp
2065 56e0773d 2019-11-28 stsp nentries = 0;
2066 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
2067 3ce1b845 2019-07-15 stsp int ignore = 0;
2068 20ccae39 2020-07-21 stsp int type;
2069 3ce1b845 2019-07-15 stsp
2070 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
2071 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
2072 3ce1b845 2019-07-15 stsp continue;
2073 3ce1b845 2019-07-15 stsp
2074 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2075 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2076 3ce1b845 2019-07-15 stsp ignore = 1;
2077 3ce1b845 2019-07-15 stsp break;
2078 3ce1b845 2019-07-15 stsp }
2079 3ce1b845 2019-07-15 stsp }
2080 3ce1b845 2019-07-15 stsp if (ignore)
2081 3ce1b845 2019-07-15 stsp continue;
2082 20ccae39 2020-07-21 stsp
2083 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2084 20ccae39 2020-07-21 stsp if (err)
2085 20ccae39 2020-07-21 stsp goto done;
2086 20ccae39 2020-07-21 stsp
2087 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2088 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2089 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2090 db1d3576 2019-10-04 stsp if (err) {
2091 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2092 db1d3576 2019-10-04 stsp goto done;
2093 db1d3576 2019-10-04 stsp err = NULL;
2094 db1d3576 2019-10-04 stsp continue;
2095 db1d3576 2019-10-04 stsp }
2096 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2097 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2098 3ce1b845 2019-07-15 stsp if (err)
2099 3ce1b845 2019-07-15 stsp goto done;
2100 3ce1b845 2019-07-15 stsp } else
2101 3ce1b845 2019-07-15 stsp continue;
2102 3ce1b845 2019-07-15 stsp
2103 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2104 3ce1b845 2019-07-15 stsp if (err)
2105 3ce1b845 2019-07-15 stsp goto done;
2106 56e0773d 2019-11-28 stsp nentries++;
2107 3ce1b845 2019-07-15 stsp }
2108 3ce1b845 2019-07-15 stsp
2109 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2110 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2111 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2112 db1d3576 2019-10-04 stsp goto done;
2113 db1d3576 2019-10-04 stsp }
2114 db1d3576 2019-10-04 stsp
2115 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2116 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2117 3ce1b845 2019-07-15 stsp char *path;
2118 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2119 3ce1b845 2019-07-15 stsp continue;
2120 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2121 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2122 3ce1b845 2019-07-15 stsp goto done;
2123 3ce1b845 2019-07-15 stsp }
2124 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2125 3ce1b845 2019-07-15 stsp free(path);
2126 3ce1b845 2019-07-15 stsp if (err)
2127 3ce1b845 2019-07-15 stsp goto done;
2128 3ce1b845 2019-07-15 stsp }
2129 3ce1b845 2019-07-15 stsp
2130 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2131 3ce1b845 2019-07-15 stsp done:
2132 3ce1b845 2019-07-15 stsp if (dir)
2133 3ce1b845 2019-07-15 stsp closedir(dir);
2134 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2135 3ce1b845 2019-07-15 stsp return err;
2136 3ce1b845 2019-07-15 stsp }
2137 3ce1b845 2019-07-15 stsp
2138 3ce1b845 2019-07-15 stsp const struct got_error *
2139 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2140 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2141 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2142 3ce1b845 2019-07-15 stsp void *progress_arg)
2143 3ce1b845 2019-07-15 stsp {
2144 3ce1b845 2019-07-15 stsp const struct got_error *err;
2145 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2146 3ce1b845 2019-07-15 stsp
2147 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2148 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2149 3ce1b845 2019-07-15 stsp if (err)
2150 3ce1b845 2019-07-15 stsp return err;
2151 3ce1b845 2019-07-15 stsp
2152 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2153 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2154 3ce1b845 2019-07-15 stsp free(new_tree_id);
2155 20662ea0 2021-04-10 stsp return err;
2156 20662ea0 2021-04-10 stsp }
2157 20662ea0 2021-04-10 stsp
2158 20662ea0 2021-04-10 stsp const struct got_error *
2159 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2160 20662ea0 2021-04-10 stsp struct got_repository *repo)
2161 20662ea0 2021-04-10 stsp {
2162 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2163 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2164 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2165 20662ea0 2021-04-10 stsp struct got_object_id id;
2166 20662ea0 2021-04-10 stsp int i;
2167 20662ea0 2021-04-10 stsp
2168 20662ea0 2021-04-10 stsp *nobjects = 0;
2169 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2170 20662ea0 2021-04-10 stsp
2171 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2172 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2173 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2174 20662ea0 2021-04-10 stsp
2175 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2176 20662ea0 2021-04-10 stsp struct dirent *dent;
2177 20662ea0 2021-04-10 stsp
2178 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2179 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2180 20662ea0 2021-04-10 stsp break;
2181 20662ea0 2021-04-10 stsp }
2182 20662ea0 2021-04-10 stsp
2183 20662ea0 2021-04-10 stsp dir = opendir(path);
2184 20662ea0 2021-04-10 stsp if (dir == NULL) {
2185 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2186 20662ea0 2021-04-10 stsp err = NULL;
2187 20662ea0 2021-04-10 stsp continue;
2188 20662ea0 2021-04-10 stsp }
2189 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2190 20662ea0 2021-04-10 stsp break;
2191 20662ea0 2021-04-10 stsp }
2192 20662ea0 2021-04-10 stsp
2193 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2194 20662ea0 2021-04-10 stsp char *id_str;
2195 20662ea0 2021-04-10 stsp int fd;
2196 20662ea0 2021-04-10 stsp struct stat sb;
2197 20662ea0 2021-04-10 stsp
2198 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2199 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2200 20662ea0 2021-04-10 stsp continue;
2201 20662ea0 2021-04-10 stsp
2202 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2203 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2204 20662ea0 2021-04-10 stsp goto done;
2205 20662ea0 2021-04-10 stsp }
2206 20662ea0 2021-04-10 stsp
2207 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2208 20662ea0 2021-04-10 stsp free(id_str);
2209 20662ea0 2021-04-10 stsp continue;
2210 20662ea0 2021-04-10 stsp }
2211 20662ea0 2021-04-10 stsp free(id_str);
2212 20662ea0 2021-04-10 stsp
2213 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2214 20662ea0 2021-04-10 stsp if (err)
2215 20662ea0 2021-04-10 stsp goto done;
2216 20662ea0 2021-04-10 stsp
2217 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2218 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2219 20662ea0 2021-04-10 stsp close(fd);
2220 20662ea0 2021-04-10 stsp goto done;
2221 20662ea0 2021-04-10 stsp }
2222 20662ea0 2021-04-10 stsp (*nobjects)++;
2223 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2224 20662ea0 2021-04-10 stsp
2225 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2226 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2227 20662ea0 2021-04-10 stsp goto done;
2228 20662ea0 2021-04-10 stsp }
2229 20662ea0 2021-04-10 stsp }
2230 20662ea0 2021-04-10 stsp
2231 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2232 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2233 20662ea0 2021-04-10 stsp goto done;
2234 20662ea0 2021-04-10 stsp }
2235 20662ea0 2021-04-10 stsp dir = NULL;
2236 20662ea0 2021-04-10 stsp
2237 20662ea0 2021-04-10 stsp free(path);
2238 20662ea0 2021-04-10 stsp path = NULL;
2239 20662ea0 2021-04-10 stsp }
2240 20662ea0 2021-04-10 stsp done:
2241 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2242 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2243 20662ea0 2021-04-10 stsp
2244 20662ea0 2021-04-10 stsp if (err) {
2245 20662ea0 2021-04-10 stsp *nobjects = 0;
2246 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2247 20662ea0 2021-04-10 stsp }
2248 20662ea0 2021-04-10 stsp free(path_objects);
2249 20662ea0 2021-04-10 stsp free(path);
2250 3ce1b845 2019-07-15 stsp return err;
2251 3ce1b845 2019-07-15 stsp }
2252 20662ea0 2021-04-10 stsp
2253 20662ea0 2021-04-10 stsp const struct got_error *
2254 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2255 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2256 20662ea0 2021-04-10 stsp {
2257 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2258 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2259 20662ea0 2021-04-10 stsp struct dirent *dent;
2260 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2261 20662ea0 2021-04-10 stsp char *path_packidx;
2262 20662ea0 2021-04-10 stsp char *path_packfile;
2263 20662ea0 2021-04-10 stsp int packdir_fd;
2264 20662ea0 2021-04-10 stsp struct stat sb;
2265 20662ea0 2021-04-10 stsp
2266 20662ea0 2021-04-10 stsp *npackfiles = 0;
2267 20662ea0 2021-04-10 stsp *nobjects = 0;
2268 20662ea0 2021-04-10 stsp *total_packsize = 0;
2269 20662ea0 2021-04-10 stsp
2270 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2271 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2272 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2273 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2274 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2275 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2276 20662ea0 2021-04-10 stsp }
2277 20662ea0 2021-04-10 stsp
2278 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2279 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2280 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2281 20662ea0 2021-04-10 stsp goto done;
2282 20662ea0 2021-04-10 stsp }
2283 20662ea0 2021-04-10 stsp
2284 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2285 1124fe40 2021-07-07 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
2286 20662ea0 2021-04-10 stsp continue;
2287 20662ea0 2021-04-10 stsp
2288 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2289 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2290 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2291 20662ea0 2021-04-10 stsp goto done;
2292 20662ea0 2021-04-10 stsp }
2293 20662ea0 2021-04-10 stsp
2294 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2295 20662ea0 2021-04-10 stsp path_packidx, 0);
2296 20662ea0 2021-04-10 stsp free(path_packidx);
2297 20662ea0 2021-04-10 stsp if (err)
2298 20662ea0 2021-04-10 stsp goto done;
2299 20662ea0 2021-04-10 stsp
2300 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2301 20662ea0 2021-04-10 stsp goto done;
2302 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2303 20662ea0 2021-04-10 stsp
2304 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2305 aea75d87 2021-07-06 stsp packidx->path_packidx);
2306 20662ea0 2021-04-10 stsp if (err)
2307 20662ea0 2021-04-10 stsp goto done;
2308 20662ea0 2021-04-10 stsp
2309 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2310 20662ea0 2021-04-10 stsp 0) == -1) {
2311 20662ea0 2021-04-10 stsp free(path_packfile);
2312 20662ea0 2021-04-10 stsp goto done;
2313 20662ea0 2021-04-10 stsp }
2314 20662ea0 2021-04-10 stsp free(path_packfile);
2315 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2316 20662ea0 2021-04-10 stsp
2317 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2318 20662ea0 2021-04-10 stsp
2319 20662ea0 2021-04-10 stsp (*npackfiles)++;
2320 20662ea0 2021-04-10 stsp
2321 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2322 20662ea0 2021-04-10 stsp packidx = NULL;
2323 20662ea0 2021-04-10 stsp }
2324 20662ea0 2021-04-10 stsp done:
2325 20662ea0 2021-04-10 stsp if (packidx)
2326 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2327 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2328 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2329 20662ea0 2021-04-10 stsp if (err) {
2330 20662ea0 2021-04-10 stsp *npackfiles = 0;
2331 20662ea0 2021-04-10 stsp *nobjects = 0;
2332 20662ea0 2021-04-10 stsp *total_packsize = 0;
2333 20662ea0 2021-04-10 stsp }
2334 20662ea0 2021-04-10 stsp return err;
2335 20662ea0 2021-04-10 stsp }
2336 f8b19efd 2021-10-13 stsp
2337 f8b19efd 2021-10-13 stsp RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2338 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp);